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Growth curves of S. mutans in media with varying concentrations of Mn under aerobic and anaerobic atmospheres. Growth was measured in BHI broth as a control and in SCDM with 0–300 μM Mn (x-axis) and expressed as optical density at wavelength 540 nm (y-axis). a Growth in a 5% CO2 aerobic atmosphere. b Growth in a 5% CO 2 aerobic atmosphere with shaking. c Growth under anaerobic conditions.
